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952

            
    ,        ,    

957.                                լուծում 

                                    1) 1000:5=200 դ․

                                    2)200×3=600  դ․

                                    3) 600+200=800

                                    4) 1000-800=200  դա․

                                                                                                                            Պատ՝․ 200:

959.                              

                                      լուծում 

                                    1)  120:3=400մ

                                    2)  400×2=800մ

                                    3) 1200-800=400մ

                                                                                   Պատ`.800,400:

962.                

                                                       լուծում 

  1. 2023-1992=37
  2. 37+5=42
  3. 2023-7=2016

                                                                                                 Պատ`.2010:

975.

              >    ,    >    ,  >  ,    

978.     

                                 լուծում    

  1. 780:5=156
  2. 156×3=462
  3. 780-462=318            

                                                                 Պատ`.318,462:

981.                                     

                                                        լուծում    

  1. 128X2= 256

                                  լուծում  `,256:

988.           2օր 3ժ

 986.                           1977-1880=92

                                     2023-1972=51

998.                        49×2=98            6×2=12           10×30=300

                                70×5=350        30×3=90         30×10=300

1029.

                  34×42=1428                 10208:202=63                     50025:25=2001

                  1890:35=54                  88×55=4840       

1039                           77կմ-35մ=76կմ 65մ                             15 կգ  — 670գ= 14կգ 330գ

                                    42դմ  2սմ-7սմ=3դմ 5սմ                       22տ  210կգ-240կգ= 21տ  70կգ

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